Showing 3,021 - 3,040 results of 3,651 for search 'Chengiz~', query time: 2.09s Refine Results
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    The formation problem of the Tatar class in the Kazan Khanate (specific historical and theoretical aspects) by Iskhakov D.M.

    Published 2023-12-01
    “…Research materials: the data of Russian chronicles, the Tatar source “Daftar-i Chingiz-name”, the works of Utemish-hadzhi, Abdulgaffar Kyrimi, Kadyr Ali-bek, materials of diplomatic correspondence of the 16th century, epigraphic materials, historical legends, and genealogical data were used in the work, associated with noble Tatars.Results and novelty of the study: The study showed that the Kazan Khanate did not inherit the former clan composition of the Tatar population of the time of the Bulgar vilayet, it was different, characteristic of the right wing of the Golden Horde and later the Greater Horde-Crimean polity. …”
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  9. 3029

    Study on Applicability of Xin'anjiang Model and Tank Model in Flood Forecasting in Majiagou Reservoir by MA Jinghang, XIAN Yongcai, HE Xueping, LIU Ming, HAN Muyuan, DU Bailin, RUAN Bingnan, XU Liujia, WU Lei

    Published 2023-01-01
    “…Flood forecasting is one of the important non-engineering flood control measures and is the main basis for flood control command and decision-making.In order to avoid the uncertainty of the prediction results of a single model,the Majiagou Reservoir in Chenggu County was taken as the object to simulate the daily runoff and flood process from 2019 to 2021 by using the Xin'anjiang model and tank model respectively,and the simulation results and accuracy of the two models were compared by using the model parameters calibrated and optimized by the genetic algorithm.In the daily runoff simulation,the simulation effect of the tank model is better than that of the Xin'anjiang model,with a relative error of flood volume of less than 16%,a relative error of flood peak of less than 4%,a difference of peak time of less than 1 h,and a Nash-Sutcliffe efficiency coefficient of greater than 0.58,all of which meet the evaluation accuracy requirements of the Standard for Hydrological Information and Hydrological Forecasting,and the simulation effect of deluge in the reservoir is ideal.In the flood process simulation,the difference of peak time between the two models is similar;the simulation effect of the Xin'anjiang model is smoother,and the flood volume and flood peak simulated by the tank model are closer to the measured flow process.On the whole,the tank model is more suitable for flood forecasting in Majiagou Reservoir than the Xin'anjiang model.…”
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    Ecological Vulnerability Assessment Integrating the Spatial Analysis Technology with Algorithms: A Case of the Wood-Grass Ecotone of Northeast China by Zhi Qiao, Xi Yang, Jun Liu, Xinliang Xu

    Published 2013-01-01
    “…The deterioration zone was concentrating in the area of Da Hinggan Ling Mountain, including Xingan League, Chifeng, Tongliao, and Chengde, whereas the improvement zone was distributing in the north-central of Hulunbeier.…”
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    Knowledge of Mainland Chinese about Stroke and Its Prevention: Risk Factors, Warning Signs, Emergency Response and Information Access by Zhenyi LI, Peng WANG, Alice Y M JONES, Elizabeth DEAN

    Published 2015-08-01
    “…People in parks, shopping centers, and other public areas in principally two urban cities(Wuhan and Chengdu)in mainland China were interviewed.Results:846 people(55% men, 45% women;mean age 45.7 years(SD16.6))participated. …”
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